Sewage pretreatment processing, regulation of homogeneous precipitation, after a series of biochemical processes, and then by the two precipitation treatment, correct, reasonable control of the treatment process conditions, operation results show that the process for removal of nitrogen, phosphorus and other nutrients in relatively good effect, processing quality to reach the" urban sewage treatment plant pollutant emission standard" ( GB18918-2002 ) the level of B standard.
英语翻译翻译的文字：污水经预沉淀处理、调节均质,经过一系列的生化处理过程,再经二次沉淀等处理,正确、合理控制各处理系统的